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rawpatchinlineside by side (parent: ff9b41c)
rawpatchinlineside by side (parent: ff9b41c)
| author | Paolo Bosetti <[email protected]> | |
| Fri, 10 Jan 2014 10:13:47 +0000 (10 11:13 +0100) | ||
| committer | Paolo Bosetti <[email protected]> | |
| Fri, 10 Jan 2014 10:13:47 +0000 (10 11:13 +0100) |
with Ranges (as a[1..-2])
| mrbgems/mruby-array-ext/mrblib/array.rb | patchblobblamehistory | |
| mrbgems/mruby-array-ext/test/array.rb | patchblobblamehistory |
self.replace(result)
end
end
self.replace(result)
end
end
+
+ ##
+ # call-seq:
+ # ary[rng] -> ary slice
+ #
+ # Remeturns a slice of +ary+ according to the Range instance +rng+.
+ #
+ # a = [ "a", "b", "c", "d", "e" ]
+ # a[1] => "b"
+ # a[1,2] => ["b", "c"]
+ # a[1..-2] => ["b", "c", "d"]
+ #
+ def [](idx, len=nil)
+ case idx
+ when Range
+ if idx.last < 0 then
+ len = self.length - idx.first + idx.last + 1
+ else
+ len = idx.last - idx.first + 1
+ end
+ return self.slice(idx.first, len)
+ when Numeric
+ if len then
+ return self.slice(idx.to_i, len.to_i)
+ else
+ return self.slice(idx.to_i)
+ end
+ else
+ self.slice(idx)
+ end
+ end
+
end
end
a.compact!
a == [1, "2", :t, false]
end
a.compact!
a == [1, "2", :t, false]
end
+
+assert("Array#[]") do
+ a = [ "a", "b", "c", "d", "e" ]
+ a[1.1] == "b" and
+ a[1,2] == ["b", "c"] and
+ a[1..-2] == ["b", "c", "d"]
+end